Citation: Cs. Andotra et al., Bridgehead nitrogen heterocycles: Synthesis and evaluation of antibacterial, antifungal activities of some 2-substituted aryl-6-p-chlorophenyl-5-thione (1H)-1,2,4-triazolo-[1,5-a]-s-triazine-7-ones, I J HET CHE, 8(2), 1998, pp. 139-142